1 Dick doesn t remember when huc mother came home yesterday2 len isn t sure how old her cousins are now3 Fred can t say where his sisters are4 Saly doesn t know who sent her money last week5 i can t tell you where my parents will be next week6 Sam doesn t know where Buc. Palace is situated 7 mary can t say how many ravens live in the Tower of London8 i don t know whose money it is9 they can t say why she is here every day